AppsCustomizePagedView.java revision a1b5500bf10018305861b3837e282b66d8bb730c
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.launcher2; 18 19import android.animation.AnimatorSet; 20import android.animation.ObjectAnimator; 21import android.animation.ValueAnimator; 22import android.appwidget.AppWidgetHostView; 23import android.appwidget.AppWidgetManager; 24import android.appwidget.AppWidgetProviderInfo; 25import android.content.ComponentName; 26import android.content.Context; 27import android.content.Intent; 28import android.content.pm.PackageManager; 29import android.content.pm.ResolveInfo; 30import android.content.res.Configuration; 31import android.content.res.Resources; 32import android.content.res.TypedArray; 33import android.graphics.Bitmap; 34import android.graphics.Bitmap.Config; 35import android.graphics.Canvas; 36import android.graphics.ColorMatrix; 37import android.graphics.ColorMatrixColorFilter; 38import android.graphics.MaskFilter; 39import android.graphics.Matrix; 40import android.graphics.Paint; 41import android.graphics.PorterDuff; 42import android.graphics.Rect; 43import android.graphics.RectF; 44import android.graphics.Shader; 45import android.graphics.TableMaskFilter; 46import android.graphics.drawable.BitmapDrawable; 47import android.graphics.drawable.Drawable; 48import android.os.AsyncTask; 49import android.os.Process; 50import android.util.AttributeSet; 51import android.util.Log; 52import android.view.Gravity; 53import android.view.KeyEvent; 54import android.view.LayoutInflater; 55import android.view.MotionEvent; 56import android.view.View; 57import android.view.ViewGroup; 58import android.view.animation.AccelerateInterpolator; 59import android.view.animation.DecelerateInterpolator; 60import android.widget.GridLayout; 61import android.widget.ImageView; 62import android.widget.Toast; 63 64import com.android.launcher.R; 65import com.android.launcher2.DropTarget.DragObject; 66 67import java.lang.ref.WeakReference; 68import java.util.ArrayList; 69import java.util.Collections; 70import java.util.Iterator; 71import java.util.List; 72 73/** 74 * A simple callback interface which also provides the results of the task. 75 */ 76interface AsyncTaskCallback { 77 void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data); 78} 79 80/** 81 * The data needed to perform either of the custom AsyncTasks. 82 */ 83class AsyncTaskPageData { 84 enum Type { 85 LoadWidgetPreviewData 86 } 87 88 AsyncTaskPageData(int p, ArrayList<Object> l, ArrayList<Bitmap> si, AsyncTaskCallback bgR, 89 AsyncTaskCallback postR) { 90 page = p; 91 items = l; 92 sourceImages = si; 93 generatedImages = new ArrayList<Bitmap>(); 94 maxImageWidth = maxImageHeight = -1; 95 doInBackgroundCallback = bgR; 96 postExecuteCallback = postR; 97 } 98 AsyncTaskPageData(int p, ArrayList<Object> l, int cw, int ch, AsyncTaskCallback bgR, 99 AsyncTaskCallback postR) { 100 page = p; 101 items = l; 102 generatedImages = new ArrayList<Bitmap>(); 103 maxImageWidth = cw; 104 maxImageHeight = ch; 105 doInBackgroundCallback = bgR; 106 postExecuteCallback = postR; 107 } 108 void cleanup(boolean cancelled) { 109 // Clean up any references to source/generated bitmaps 110 if (sourceImages != null) { 111 if (cancelled) { 112 for (Bitmap b : sourceImages) { 113 b.recycle(); 114 } 115 } 116 sourceImages.clear(); 117 } 118 if (generatedImages != null) { 119 if (cancelled) { 120 for (Bitmap b : generatedImages) { 121 b.recycle(); 122 } 123 } 124 generatedImages.clear(); 125 } 126 } 127 int page; 128 ArrayList<Object> items; 129 ArrayList<Bitmap> sourceImages; 130 ArrayList<Bitmap> generatedImages; 131 int maxImageWidth; 132 int maxImageHeight; 133 AsyncTaskCallback doInBackgroundCallback; 134 AsyncTaskCallback postExecuteCallback; 135} 136 137/** 138 * A generic template for an async task used in AppsCustomize. 139 */ 140class AppsCustomizeAsyncTask extends AsyncTask<AsyncTaskPageData, Void, AsyncTaskPageData> { 141 AppsCustomizeAsyncTask(int p, AsyncTaskPageData.Type ty) { 142 page = p; 143 threadPriority = Process.THREAD_PRIORITY_DEFAULT; 144 dataType = ty; 145 } 146 @Override 147 protected AsyncTaskPageData doInBackground(AsyncTaskPageData... params) { 148 if (params.length != 1) return null; 149 // Load each of the widget previews in the background 150 params[0].doInBackgroundCallback.run(this, params[0]); 151 return params[0]; 152 } 153 @Override 154 protected void onPostExecute(AsyncTaskPageData result) { 155 // All the widget previews are loaded, so we can just callback to inflate the page 156 result.postExecuteCallback.run(this, result); 157 } 158 159 void setThreadPriority(int p) { 160 threadPriority = p; 161 } 162 void syncThreadPriority() { 163 Process.setThreadPriority(threadPriority); 164 } 165 166 // The page that this async task is associated with 167 AsyncTaskPageData.Type dataType; 168 int page; 169 int threadPriority; 170} 171 172abstract class WeakReferenceThreadLocal<T> { 173 private ThreadLocal<WeakReference<T>> mThreadLocal; 174 public WeakReferenceThreadLocal() { 175 mThreadLocal = new ThreadLocal<WeakReference<T>>(); 176 } 177 178 abstract T initialValue(); 179 180 public void set(T t) { 181 mThreadLocal.set(new WeakReference<T>(t)); 182 } 183 184 public T get() { 185 WeakReference<T> reference = mThreadLocal.get(); 186 T obj; 187 if (reference == null) { 188 obj = initialValue(); 189 mThreadLocal.set(new WeakReference<T>(obj)); 190 return obj; 191 } else { 192 obj = reference.get(); 193 if (obj == null) { 194 obj = initialValue(); 195 mThreadLocal.set(new WeakReference<T>(obj)); 196 } 197 return obj; 198 } 199 } 200} 201 202class CanvasCache extends WeakReferenceThreadLocal<Canvas> { 203 @Override 204 protected Canvas initialValue() { 205 return new Canvas(); 206 } 207} 208 209class PaintCache extends WeakReferenceThreadLocal<Paint> { 210 @Override 211 protected Paint initialValue() { 212 return null; 213 } 214} 215 216class BitmapCache extends WeakReferenceThreadLocal<Bitmap> { 217 @Override 218 protected Bitmap initialValue() { 219 return null; 220 } 221} 222 223class RectCache extends WeakReferenceThreadLocal<Rect> { 224 @Override 225 protected Rect initialValue() { 226 return new Rect(); 227 } 228} 229 230/** 231 * The Apps/Customize page that displays all the applications, widgets, and shortcuts. 232 */ 233public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements 234 AllAppsView, View.OnClickListener, View.OnKeyListener, DragSource, 235 PagedViewIcon.PressedCallback, PagedViewWidget.ShortPressListener, 236 LauncherTransitionable { 237 static final String TAG = "AppsCustomizePagedView"; 238 239 /** 240 * The different content types that this paged view can show. 241 */ 242 public enum ContentType { 243 Applications, 244 Widgets 245 } 246 247 // Refs 248 private Launcher mLauncher; 249 private DragController mDragController; 250 private final LayoutInflater mLayoutInflater; 251 private final PackageManager mPackageManager; 252 253 // Save and Restore 254 private int mSaveInstanceStateItemIndex = -1; 255 private PagedViewIcon mPressedIcon; 256 257 // Content 258 private ArrayList<ApplicationInfo> mApps; 259 private ArrayList<Object> mWidgets; 260 261 // Cling 262 private boolean mHasShownAllAppsCling; 263 private int mClingFocusedX; 264 private int mClingFocusedY; 265 266 // Caching 267 private Canvas mCanvas; 268 private IconCache mIconCache; 269 270 // Dimens 271 private int mContentWidth; 272 private int mAppIconSize; 273 private int mMaxAppCellCountX, mMaxAppCellCountY; 274 private int mWidgetCountX, mWidgetCountY; 275 private int mWidgetWidthGap, mWidgetHeightGap; 276 private final float sWidgetPreviewIconPaddingPercentage = 0.25f; 277 private PagedViewCellLayout mWidgetSpacingLayout; 278 private int mNumAppsPages; 279 private int mNumWidgetPages; 280 281 // Relating to the scroll and overscroll effects 282 Workspace.ZInterpolator mZInterpolator = new Workspace.ZInterpolator(0.5f); 283 private static float CAMERA_DISTANCE = 6500; 284 private static float TRANSITION_SCALE_FACTOR = 0.74f; 285 private static float TRANSITION_PIVOT = 0.65f; 286 private static float TRANSITION_MAX_ROTATION = 22; 287 private static final boolean PERFORM_OVERSCROLL_ROTATION = true; 288 private AccelerateInterpolator mAlphaInterpolator = new AccelerateInterpolator(0.9f); 289 private DecelerateInterpolator mLeftScreenAlphaInterpolator = new DecelerateInterpolator(4); 290 291 // Previews & outlines 292 ArrayList<AppsCustomizeAsyncTask> mRunningTasks; 293 private static final int sPageSleepDelay = 200; 294 295 private Runnable mInflateWidgetRunnable = null; 296 private Runnable mBindWidgetRunnable = null; 297 static final int WIDGET_NO_CLEANUP_REQUIRED = -1; 298 static final int WIDGET_PRELOAD_PENDING = 0; 299 static final int WIDGET_BOUND = 1; 300 static final int WIDGET_INFLATED = 2; 301 int mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; 302 int mWidgetLoadingId = -1; 303 PendingAddWidgetInfo mCreateWidgetInfo = null; 304 private boolean mDraggingWidget = false; 305 306 // Deferral of loading widget previews during launcher transitions 307 private boolean mInTransition; 308 private ArrayList<AsyncTaskPageData> mDeferredSyncWidgetPageItems = 309 new ArrayList<AsyncTaskPageData>(); 310 private ArrayList<Runnable> mDeferredPrepareLoadWidgetPreviewsTasks = 311 new ArrayList<Runnable>(); 312 313 // Used for drawing shortcut previews 314 BitmapCache mCachedShortcutPreviewBitmap = new BitmapCache(); 315 PaintCache mCachedShortcutPreviewPaint = new PaintCache(); 316 CanvasCache mCachedShortcutPreviewCanvas = new CanvasCache(); 317 318 // Used for drawing widget previews 319 CanvasCache mCachedAppWidgetPreviewCanvas = new CanvasCache(); 320 RectCache mCachedAppWidgetPreviewSrcRect = new RectCache(); 321 RectCache mCachedAppWidgetPreviewDestRect = new RectCache(); 322 PaintCache mCachedAppWidgetPreviewPaint = new PaintCache(); 323 324 public AppsCustomizePagedView(Context context, AttributeSet attrs) { 325 super(context, attrs); 326 mLayoutInflater = LayoutInflater.from(context); 327 mPackageManager = context.getPackageManager(); 328 mApps = new ArrayList<ApplicationInfo>(); 329 mWidgets = new ArrayList<Object>(); 330 mIconCache = ((LauncherApplication) context.getApplicationContext()).getIconCache(); 331 mCanvas = new Canvas(); 332 mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>(); 333 334 // Save the default widget preview background 335 Resources resources = context.getResources(); 336 mAppIconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); 337 338 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0); 339 mMaxAppCellCountX = a.getInt(R.styleable.AppsCustomizePagedView_maxAppCellCountX, -1); 340 mMaxAppCellCountY = a.getInt(R.styleable.AppsCustomizePagedView_maxAppCellCountY, -1); 341 mWidgetWidthGap = 342 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellWidthGap, 0); 343 mWidgetHeightGap = 344 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellHeightGap, 0); 345 mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2); 346 mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2); 347 mClingFocusedX = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedX, 0); 348 mClingFocusedY = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedY, 0); 349 a.recycle(); 350 mWidgetSpacingLayout = new PagedViewCellLayout(getContext()); 351 352 // The padding on the non-matched dimension for the default widget preview icons 353 // (top + bottom) 354 mFadeInAdjacentScreens = false; 355 356 // Unless otherwise specified this view is important for accessibility. 357 if (getImportantForAccessibility() == View.IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 358 setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); 359 } 360 361 Log.d(TAG, "6549598 ctor mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 362 } 363 364 @Override 365 protected void init() { 366 super.init(); 367 mCenterPagesVertically = false; 368 369 Context context = getContext(); 370 Resources r = context.getResources(); 371 setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f); 372 Log.d(TAG, "6549598 init mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 373 } 374 375 @Override 376 protected void onUnhandledTap(MotionEvent ev) { 377 if (LauncherApplication.isScreenLarge()) { 378 // Dismiss AppsCustomize if we tap 379 mLauncher.showWorkspace(true); 380 } 381 } 382 383 /** Returns the item index of the center item on this page so that we can restore to this 384 * item index when we rotate. */ 385 private int getMiddleComponentIndexOnCurrentPage() { 386 int i = -1; 387 if (getPageCount() > 0) { 388 int currentPage = getCurrentPage(); 389 if (currentPage < mNumAppsPages) { 390 PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(currentPage); 391 PagedViewCellLayoutChildren childrenLayout = layout.getChildrenLayout(); 392 int numItemsPerPage = mCellCountX * mCellCountY; 393 int childCount = childrenLayout.getChildCount(); 394 if (childCount > 0) { 395 i = (currentPage * numItemsPerPage) + (childCount / 2); 396 } 397 } else { 398 int numApps = mApps.size(); 399 PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(currentPage); 400 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 401 int childCount = layout.getChildCount(); 402 if (childCount > 0) { 403 i = numApps + 404 ((currentPage - mNumAppsPages) * numItemsPerPage) + (childCount / 2); 405 } 406 } 407 } 408 return i; 409 } 410 411 /** Get the index of the item to restore to if we need to restore the current page. */ 412 int getSaveInstanceStateIndex() { 413 if (mSaveInstanceStateItemIndex == -1) { 414 mSaveInstanceStateItemIndex = getMiddleComponentIndexOnCurrentPage(); 415 } 416 return mSaveInstanceStateItemIndex; 417 } 418 419 /** Returns the page in the current orientation which is expected to contain the specified 420 * item index. */ 421 int getPageForComponent(int index) { 422 if (index < 0) return 0; 423 424 if (index < mApps.size()) { 425 int numItemsPerPage = mCellCountX * mCellCountY; 426 return (index / numItemsPerPage); 427 } else { 428 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 429 return mNumAppsPages + ((index - mApps.size()) / numItemsPerPage); 430 } 431 } 432 433 /** Restores the page for an item at the specified index */ 434 void restorePageForIndex(int index) { 435 if (index < 0) return; 436 mSaveInstanceStateItemIndex = index; 437 } 438 439 private void updatePageCounts() { 440 mNumWidgetPages = (int) Math.ceil(mWidgets.size() / 441 (float) (mWidgetCountX * mWidgetCountY)); 442 mNumAppsPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); 443 Log.d(TAG, "6549598 updatePageCounts mNumWidgetPages: " + mNumWidgetPages + " mNumAppsPages: " + mNumAppsPages); 444 Log.d(TAG, "6549598 mApps.size(): " + mApps.size() + " mWidgets.size(): " + mWidgets.size() + " mCellCountX: " + mCellCountX + " mCellCountY: " + mCellCountY); 445 } 446 447 protected void onDataReady(int width, int height) { 448 Log.d(TAG, "6549598 onDataReady"); 449 // Note that we transpose the counts in portrait so that we get a similar layout 450 boolean isLandscape = getResources().getConfiguration().orientation == 451 Configuration.ORIENTATION_LANDSCAPE; 452 int maxCellCountX = Integer.MAX_VALUE; 453 int maxCellCountY = Integer.MAX_VALUE; 454 if (LauncherApplication.isScreenLarge()) { 455 maxCellCountX = (isLandscape ? LauncherModel.getCellCountX() : 456 LauncherModel.getCellCountY()); 457 maxCellCountY = (isLandscape ? LauncherModel.getCellCountY() : 458 LauncherModel.getCellCountX()); 459 } 460 if (mMaxAppCellCountX > -1) { 461 maxCellCountX = Math.min(maxCellCountX, mMaxAppCellCountX); 462 } 463 if (mMaxAppCellCountY > -1) { 464 maxCellCountY = Math.min(maxCellCountY, mMaxAppCellCountY); 465 } 466 467 // Now that the data is ready, we can calculate the content width, the number of cells to 468 // use for each page 469 mWidgetSpacingLayout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 470 mWidgetSpacingLayout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 471 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 472 mWidgetSpacingLayout.calculateCellCount(width, height, maxCellCountX, maxCellCountY); 473 mCellCountX = mWidgetSpacingLayout.getCellCountX(); 474 mCellCountY = mWidgetSpacingLayout.getCellCountY(); 475 updatePageCounts(); 476 477 // Force a measure to update recalculate the gaps 478 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 479 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 480 mWidgetSpacingLayout.measure(widthSpec, heightSpec); 481 mContentWidth = mWidgetSpacingLayout.getContentWidth(); 482 483 AppsCustomizeTabHost host = (AppsCustomizeTabHost) getTabHost(); 484 final boolean hostIsTransitioning = host.isTransitioning(); 485 486 // Restore the page 487 int page = getPageForComponent(mSaveInstanceStateItemIndex); 488 invalidatePageData(Math.max(0, page), hostIsTransitioning); 489 490 // Show All Apps cling if we are finished transitioning, otherwise, we will try again when 491 // the transition completes in AppsCustomizeTabHost (otherwise the wrong offsets will be 492 // returned while animating) 493 if (!hostIsTransitioning) { 494 post(new Runnable() { 495 @Override 496 public void run() { 497 showAllAppsCling(); 498 } 499 }); 500 } 501 } 502 503 void showAllAppsCling() { 504 if (!mHasShownAllAppsCling && isDataReady()) { 505 mHasShownAllAppsCling = true; 506 // Calculate the position for the cling punch through 507 int[] offset = new int[2]; 508 int[] pos = mWidgetSpacingLayout.estimateCellPosition(mClingFocusedX, mClingFocusedY); 509 mLauncher.getDragLayer().getLocationInDragLayer(this, offset); 510 // PagedViews are centered horizontally but top aligned 511 pos[0] += (getMeasuredWidth() - mWidgetSpacingLayout.getMeasuredWidth()) / 2 + 512 offset[0]; 513 pos[1] += offset[1]; 514 mLauncher.showFirstRunAllAppsCling(pos); 515 } 516 } 517 518 @Override 519 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 520 int width = MeasureSpec.getSize(widthMeasureSpec); 521 int height = MeasureSpec.getSize(heightMeasureSpec); 522 if (!isDataReady()) { 523 if (!mApps.isEmpty() && !mWidgets.isEmpty()) { 524 setDataIsReady(); 525 setMeasuredDimension(width, height); 526 onDataReady(width, height); 527 } 528 } 529 530 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 531 } 532 533 public void onPackagesUpdated() { 534 Log.d(TAG, "6549598 onPackagesUpdated"); 535 // TODO: this isn't ideal, but we actually need to delay here. This call is triggered 536 // by a broadcast receiver, and in order for it to work correctly, we need to know that 537 // the AppWidgetService has already received and processed the same broadcast. Since there 538 // is no guarantee about ordering of broadcast receipt, we just delay here. This is a 539 // workaround until we add a callback from AppWidgetService to AppWidgetHost when widget 540 // packages are added, updated or removed. 541 postDelayed(new Runnable() { 542 public void run() { 543 updatePackages(); 544 } 545 }, 1500); 546 } 547 548 public void updatePackages() { 549 // Get the list of widgets and shortcuts 550 mWidgets.clear(); 551 List<AppWidgetProviderInfo> widgets = 552 AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); 553 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 554 List<ResolveInfo> shortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0); 555 for (AppWidgetProviderInfo widget : widgets) { 556 if (widget.minWidth > 0 && widget.minHeight > 0) { 557 // Ensure that all widgets we show can be added on a workspace of this size 558 int[] spanXY = Launcher.getSpanForWidget(mLauncher, widget); 559 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, widget); 560 int minSpanX = Math.min(spanXY[0], minSpanXY[0]); 561 int minSpanY = Math.min(spanXY[1], minSpanXY[1]); 562 if (minSpanX <= LauncherModel.getCellCountX() && 563 minSpanY <= LauncherModel.getCellCountY()) { 564 mWidgets.add(widget); 565 } else { 566 Log.e(TAG, "Widget " + widget.provider + " can not fit on this device (" + 567 widget.minWidth + ", " + widget.minHeight + ")"); 568 } 569 } else { 570 Log.e(TAG, "Widget " + widget.provider + " has invalid dimensions (" + 571 widget.minWidth + ", " + widget.minHeight + ")"); 572 } 573 } 574 mWidgets.addAll(shortcuts); 575 Collections.sort(mWidgets, 576 new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager)); 577 Log.d(TAG, "6549598 updatePackages mWidgets.size(): " + mWidgets.size()); 578 updatePageCounts(); 579 invalidateOnDataChange(); 580 } 581 582 @Override 583 public void onClick(View v) { 584 // When we have exited all apps or are in transition, disregard clicks 585 if (!mLauncher.isAllAppsCustomizeOpen() || 586 mLauncher.getWorkspace().isSwitchingState()) return; 587 588 if (v instanceof PagedViewIcon) { 589 // Animate some feedback to the click 590 final ApplicationInfo appInfo = (ApplicationInfo) v.getTag(); 591 592 // Lock the drawable state to pressed until we return to Launcher 593 if (mPressedIcon != null) { 594 mPressedIcon.lockDrawableState(); 595 } 596 597 // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled 598 // to be consistent. So re-enable the flag here, and we will re-disable it as necessary 599 // when Launcher resumes and we are still in AllApps. 600 mLauncher.updateWallpaperVisibility(true); 601 mLauncher.startActivitySafely(v, appInfo.intent, appInfo); 602 603 } else if (v instanceof PagedViewWidget) { 604 // Let the user know that they have to long press to add a widget 605 Toast.makeText(getContext(), R.string.long_press_widget_to_add, 606 Toast.LENGTH_SHORT).show(); 607 608 // Create a little animation to show that the widget can move 609 float offsetY = getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY); 610 final ImageView p = (ImageView) v.findViewById(R.id.widget_preview); 611 AnimatorSet bounce = new AnimatorSet(); 612 ValueAnimator tyuAnim = ObjectAnimator.ofFloat(p, "translationY", offsetY); 613 tyuAnim.setDuration(125); 614 ValueAnimator tydAnim = ObjectAnimator.ofFloat(p, "translationY", 0f); 615 tydAnim.setDuration(100); 616 bounce.play(tyuAnim).before(tydAnim); 617 bounce.setInterpolator(new AccelerateInterpolator()); 618 bounce.start(); 619 } 620 } 621 622 public boolean onKey(View v, int keyCode, KeyEvent event) { 623 return FocusHelper.handleAppsCustomizeKeyEvent(v, keyCode, event); 624 } 625 626 /* 627 * PagedViewWithDraggableItems implementation 628 */ 629 @Override 630 protected void determineDraggingStart(android.view.MotionEvent ev) { 631 // Disable dragging by pulling an app down for now. 632 } 633 634 private void beginDraggingApplication(View v) { 635 mLauncher.getWorkspace().onDragStartedWithItem(v); 636 mLauncher.getWorkspace().beginDragShared(v, this); 637 } 638 639 private void preloadWidget(final PendingAddWidgetInfo info) { 640 final AppWidgetProviderInfo pInfo = info.info; 641 if (pInfo.configure != null) { 642 return; 643 } 644 645 mWidgetCleanupState = WIDGET_PRELOAD_PENDING; 646 mBindWidgetRunnable = new Runnable() { 647 @Override 648 public void run() { 649 mWidgetLoadingId = mLauncher.getAppWidgetHost().allocateAppWidgetId(); 650 if (AppWidgetManager.getInstance(mLauncher) 651 .bindAppWidgetIdIfAllowed(mWidgetLoadingId, info.componentName)) { 652 mWidgetCleanupState = WIDGET_BOUND; 653 } 654 } 655 }; 656 post(mBindWidgetRunnable); 657 658 mInflateWidgetRunnable = new Runnable() { 659 @Override 660 public void run() { 661 AppWidgetHostView hostView = mLauncher. 662 getAppWidgetHost().createView(getContext(), mWidgetLoadingId, pInfo); 663 info.boundWidget = hostView; 664 mWidgetCleanupState = WIDGET_INFLATED; 665 hostView.setVisibility(INVISIBLE); 666 int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(info.spanX, 667 info.spanY, info, false); 668 669 // We want the first widget layout to be the correct size. This will be important 670 // for width size reporting to the AppWidgetManager. 671 DragLayer.LayoutParams lp = new DragLayer.LayoutParams(unScaledSize[0], 672 unScaledSize[1]); 673 lp.x = lp.y = 0; 674 lp.customPosition = true; 675 hostView.setLayoutParams(lp); 676 mLauncher.getDragLayer().addView(hostView); 677 } 678 }; 679 post(mInflateWidgetRunnable); 680 } 681 682 @Override 683 public void onShortPress(View v) { 684 // We are anticipating a long press, and we use this time to load bind and instantiate 685 // the widget. This will need to be cleaned up if it turns out no long press occurs. 686 if (mCreateWidgetInfo != null) { 687 // Just in case the cleanup process wasn't properly executed. This shouldn't happen. 688 cleanupWidgetPreloading(false); 689 } 690 mCreateWidgetInfo = new PendingAddWidgetInfo((PendingAddWidgetInfo) v.getTag()); 691 preloadWidget(mCreateWidgetInfo); 692 } 693 694 private void cleanupWidgetPreloading(boolean widgetWasAdded) { 695 if (!widgetWasAdded) { 696 // If the widget was not added, we may need to do further cleanup. 697 PendingAddWidgetInfo info = mCreateWidgetInfo; 698 mCreateWidgetInfo = null; 699 700 if (mWidgetCleanupState == WIDGET_PRELOAD_PENDING) { 701 // We never did any preloading, so just remove pending callbacks to do so 702 removeCallbacks(mBindWidgetRunnable); 703 removeCallbacks(mInflateWidgetRunnable); 704 } else if (mWidgetCleanupState == WIDGET_BOUND) { 705 // Delete the widget id which was allocated 706 if (mWidgetLoadingId != -1) { 707 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 708 } 709 710 // We never got around to inflating the widget, so remove the callback to do so. 711 removeCallbacks(mInflateWidgetRunnable); 712 } else if (mWidgetCleanupState == WIDGET_INFLATED) { 713 // Delete the widget id which was allocated 714 if (mWidgetLoadingId != -1) { 715 mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); 716 } 717 718 // The widget was inflated and added to the DragLayer -- remove it. 719 AppWidgetHostView widget = info.boundWidget; 720 mLauncher.getDragLayer().removeView(widget); 721 } 722 } 723 mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; 724 mWidgetLoadingId = -1; 725 mCreateWidgetInfo = null; 726 PagedViewWidget.resetShortPressTarget(); 727 } 728 729 @Override 730 public void cleanUpShortPress(View v) { 731 if (!mDraggingWidget) { 732 cleanupWidgetPreloading(false); 733 } 734 } 735 736 private boolean beginDraggingWidget(View v) { 737 mDraggingWidget = true; 738 // Get the widget preview as the drag representation 739 ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 740 PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 741 742 // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 743 // we abort the drag. 744 if (image.getDrawable() == null) { 745 mDraggingWidget = false; 746 return false; 747 } 748 749 // Compose the drag image 750 Bitmap preview; 751 Bitmap outline; 752 float scale = 1f; 753 if (createItemInfo instanceof PendingAddWidgetInfo) { 754 // This can happen in some weird cases involving multi-touch. We can't start dragging 755 // the widget if this is null, so we break out. 756 if (mCreateWidgetInfo == null) { 757 return false; 758 } 759 760 PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo; 761 createItemInfo = createWidgetInfo; 762 int spanX = createItemInfo.spanX; 763 int spanY = createItemInfo.spanY; 764 int[] size = mLauncher.getWorkspace().estimateItemSize(spanX, spanY, 765 createWidgetInfo, true); 766 767 FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable(); 768 float minScale = 1.25f; 769 int maxWidth, maxHeight; 770 maxWidth = Math.min((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]); 771 maxHeight = Math.min((int) (previewDrawable.getIntrinsicHeight() * minScale), size[1]); 772 preview = getWidgetPreview(createWidgetInfo.componentName, createWidgetInfo.previewImage, 773 createWidgetInfo.icon, spanX, spanY, maxWidth, maxHeight); 774 775 // Determine the image view drawable scale relative to the preview 776 float[] mv = new float[9]; 777 Matrix m = new Matrix(); 778 m.setRectToRect( 779 new RectF(0f, 0f, (float) preview.getWidth(), (float) preview.getHeight()), 780 new RectF(0f, 0f, (float) previewDrawable.getIntrinsicWidth(), 781 (float) previewDrawable.getIntrinsicHeight()), 782 Matrix.ScaleToFit.START); 783 m.getValues(mv); 784 scale = (float) mv[0]; 785 } else { 786 PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 787 Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.shortcutActivityInfo); 788 preview = Bitmap.createBitmap(icon.getIntrinsicWidth(), 789 icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); 790 791 mCanvas.setBitmap(preview); 792 mCanvas.save(); 793 renderDrawableToBitmap(icon, preview, 0, 0, 794 icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); 795 mCanvas.restore(); 796 mCanvas.setBitmap(null); 797 createItemInfo.spanX = createItemInfo.spanY = 1; 798 } 799 800 // We use a custom alpha clip table for the default widget previews 801 Paint alphaClipPaint = null; 802 if (createItemInfo instanceof PendingAddWidgetInfo) { 803 if (((PendingAddWidgetInfo) createItemInfo).previewImage != 0) { 804 MaskFilter alphaClipTable = TableMaskFilter.CreateClipTable(0, 255); 805 alphaClipPaint = new Paint(); 806 alphaClipPaint.setMaskFilter(alphaClipTable); 807 } 808 } 809 810 // Save the preview for the outline generation, then dim the preview 811 outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(), 812 false); 813 814 // Start the drag 815 alphaClipPaint = null; 816 mLauncher.lockScreenOrientation(); 817 mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, alphaClipPaint); 818 mDragController.startDrag(image, preview, this, createItemInfo, 819 DragController.DRAG_ACTION_COPY, null, scale); 820 outline.recycle(); 821 preview.recycle(); 822 return true; 823 } 824 825 @Override 826 protected boolean beginDragging(final View v) { 827 if (!super.beginDragging(v)) return false; 828 829 if (v instanceof PagedViewIcon) { 830 beginDraggingApplication(v); 831 } else if (v instanceof PagedViewWidget) { 832 if (!beginDraggingWidget(v)) { 833 return false; 834 } 835 } 836 837 // We delay entering spring-loaded mode slightly to make sure the UI 838 // thready is free of any work. 839 postDelayed(new Runnable() { 840 @Override 841 public void run() { 842 // We don't enter spring-loaded mode if the drag has been cancelled 843 if (mLauncher.getDragController().isDragging()) { 844 // Dismiss the cling 845 mLauncher.dismissAllAppsCling(null); 846 847 // Reset the alpha on the dragged icon before we drag 848 resetDrawableState(); 849 850 // Go into spring loaded mode (must happen before we startDrag()) 851 mLauncher.enterSpringLoadedDragMode(); 852 } 853 } 854 }, 150); 855 856 return true; 857 } 858 859 /** 860 * Clean up after dragging. 861 * 862 * @param target where the item was dragged to (can be null if the item was flung) 863 */ 864 private void endDragging(View target, boolean isFlingToDelete, boolean success) { 865 if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 866 !(target instanceof DeleteDropTarget))) { 867 // Exit spring loaded mode if we have not successfully dropped or have not handled the 868 // drop in Workspace 869 mLauncher.exitSpringLoadedDragMode(); 870 } 871 mLauncher.unlockScreenOrientation(false); 872 } 873 874 @Override 875 public View getContent() { 876 return null; 877 } 878 879 @Override 880 public void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace) { 881 mInTransition = true; 882 if (toWorkspace) { 883 cancelAllTasks(); 884 } 885 } 886 887 @Override 888 public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) { 889 } 890 891 @Override 892 public void onLauncherTransitionStep(Launcher l, float t) { 893 } 894 895 @Override 896 public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) { 897 Log.d(TAG, "6549598 onLauncherTransitionEnd mDeferredSyncWidgetPageItems.size(): " + mDeferredSyncWidgetPageItems.size()); 898 mInTransition = false; 899 for (AsyncTaskPageData d : mDeferredSyncWidgetPageItems) { 900 onSyncWidgetPageItems(d); 901 } 902 mDeferredSyncWidgetPageItems.clear(); 903 for (Runnable r : mDeferredPrepareLoadWidgetPreviewsTasks) { 904 r.run(); 905 } 906 mDeferredPrepareLoadWidgetPreviewsTasks.clear(); 907 mForceDrawAllChildrenNextFrame = !toWorkspace; 908 } 909 910 @Override 911 public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 912 boolean success) { 913 // Return early and wait for onFlingToDeleteCompleted if this was the result of a fling 914 if (isFlingToDelete) return; 915 916 endDragging(target, false, success); 917 918 // Display an error message if the drag failed due to there not being enough space on the 919 // target layout we were dropping on. 920 if (!success) { 921 boolean showOutOfSpaceMessage = false; 922 if (target instanceof Workspace) { 923 int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 924 Workspace workspace = (Workspace) target; 925 CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 926 ItemInfo itemInfo = (ItemInfo) d.dragInfo; 927 if (layout != null) { 928 layout.calculateSpans(itemInfo); 929 showOutOfSpaceMessage = 930 !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 931 } 932 } 933 if (showOutOfSpaceMessage) { 934 mLauncher.showOutOfSpaceMessage(false); 935 } 936 937 d.deferDragViewCleanupPostAnimation = false; 938 } 939 cleanupWidgetPreloading(success); 940 mDraggingWidget = false; 941 } 942 943 @Override 944 public void onFlingToDeleteCompleted() { 945 // We just dismiss the drag when we fling, so cleanup here 946 endDragging(null, true, true); 947 cleanupWidgetPreloading(false); 948 mDraggingWidget = false; 949 } 950 951 @Override 952 public boolean supportsFlingToDelete() { 953 return true; 954 } 955 956 @Override 957 protected void onDetachedFromWindow() { 958 super.onDetachedFromWindow(); 959 cancelAllTasks(); 960 } 961 962 public void clearAllWidgetPages() { 963 cancelAllTasks(); 964 int count = getChildCount(); 965 for (int i = 0; i < count; i++) { 966 View v = getPageAt(i); 967 if (v instanceof PagedViewGridLayout) { 968 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 969 mDirtyPageContent.set(i, true); 970 } 971 } 972 } 973 974 private void cancelAllTasks() { 975 // Clean up all the async tasks 976 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 977 while (iter.hasNext()) { 978 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 979 task.cancel(false); 980 iter.remove(); 981 mDirtyPageContent.set(task.page, true); 982 983 // We've already preallocated the views for the data to load into, so clear them as well 984 View v = getPageAt(task.page); 985 if (v instanceof PagedViewGridLayout) { 986 ((PagedViewGridLayout) v).removeAllViewsOnPage(); 987 } 988 } 989 mDeferredSyncWidgetPageItems.clear(); 990 mDeferredPrepareLoadWidgetPreviewsTasks.clear(); 991 } 992 993 public void setContentType(ContentType type) { 994 Log.d(TAG, "6549598 setContentType mNumAppsPages: " + mNumAppsPages); 995 if (type == ContentType.Widgets) { 996 invalidatePageData(mNumAppsPages, true); 997 } else if (type == ContentType.Applications) { 998 invalidatePageData(0, true); 999 } 1000 } 1001 1002 protected void snapToPage(int whichPage, int delta, int duration) { 1003 super.snapToPage(whichPage, delta, duration); 1004 updateCurrentTab(whichPage); 1005 1006 // Update the thread priorities given the direction lookahead 1007 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1008 while (iter.hasNext()) { 1009 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1010 int pageIndex = task.page; 1011 if ((mNextPage > mCurrentPage && pageIndex >= mCurrentPage) || 1012 (mNextPage < mCurrentPage && pageIndex <= mCurrentPage)) { 1013 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1014 } else { 1015 task.setThreadPriority(Process.THREAD_PRIORITY_LOWEST); 1016 } 1017 } 1018 } 1019 1020 private void updateCurrentTab(int currentPage) { 1021 Log.d(TAG, "6549598 updateCurrentTab mNumAppsPages: " + mNumAppsPages); 1022 AppsCustomizeTabHost tabHost = getTabHost(); 1023 if (tabHost != null) { 1024 String tag = tabHost.getCurrentTabTag(); 1025 if (tag != null) { 1026 if (currentPage >= mNumAppsPages && 1027 !tag.equals(tabHost.getTabTagForContentType(ContentType.Widgets))) { 1028 tabHost.setCurrentTabFromContent(ContentType.Widgets); 1029 } else if (currentPage < mNumAppsPages && 1030 !tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1031 tabHost.setCurrentTabFromContent(ContentType.Applications); 1032 } 1033 } 1034 } 1035 } 1036 1037 /* 1038 * Apps PagedView implementation 1039 */ 1040 private void setVisibilityOnChildren(ViewGroup layout, int visibility) { 1041 int childCount = layout.getChildCount(); 1042 for (int i = 0; i < childCount; ++i) { 1043 layout.getChildAt(i).setVisibility(visibility); 1044 } 1045 } 1046 private void setupPage(PagedViewCellLayout layout) { 1047 layout.setCellCount(mCellCountX, mCellCountY); 1048 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 1049 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1050 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1051 1052 // Note: We force a measure here to get around the fact that when we do layout calculations 1053 // immediately after syncing, we don't have a proper width. That said, we already know the 1054 // expected page width, so we can actually optimize by hiding all the TextView-based 1055 // children that are expensive to measure, and let that happen naturally later. 1056 setVisibilityOnChildren(layout, View.GONE); 1057 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1058 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1059 layout.setMinimumWidth(getPageContentWidth()); 1060 layout.measure(widthSpec, heightSpec); 1061 setVisibilityOnChildren(layout, View.VISIBLE); 1062 } 1063 1064 public void syncAppsPageItems(int page, boolean immediate) { 1065 Log.d(TAG, "6549598 syncAppsPageItems page: " + page + " mNumAppsPages: " + mNumAppsPages); 1066 // ensure that we have the right number of items on the pages 1067 int numCells = mCellCountX * mCellCountY; 1068 int startIndex = page * numCells; 1069 int endIndex = Math.min(startIndex + numCells, mApps.size()); 1070 PagedViewCellLayout layout = (PagedViewCellLayout) getPageAt(page); 1071 1072 layout.removeAllViewsOnPage(); 1073 ArrayList<Object> items = new ArrayList<Object>(); 1074 ArrayList<Bitmap> images = new ArrayList<Bitmap>(); 1075 for (int i = startIndex; i < endIndex; ++i) { 1076 ApplicationInfo info = mApps.get(i); 1077 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 1078 R.layout.apps_customize_application, layout, false); 1079 icon.applyFromApplicationInfo(info, true, this); 1080 icon.setOnClickListener(this); 1081 icon.setOnLongClickListener(this); 1082 icon.setOnTouchListener(this); 1083 icon.setOnKeyListener(this); 1084 1085 int index = i - startIndex; 1086 int x = index % mCellCountX; 1087 int y = index / mCellCountX; 1088 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 1089 1090 items.add(info); 1091 images.add(info.iconBitmap); 1092 } 1093 1094 layout.createHardwareLayers(); 1095 } 1096 1097 /** 1098 * A helper to return the priority for loading of the specified widget page. 1099 */ 1100 private int getWidgetPageLoadPriority(int page) { 1101 // If we are snapping to another page, use that index as the target page index 1102 int toPage = mCurrentPage; 1103 if (mNextPage > -1) { 1104 toPage = mNextPage; 1105 } 1106 1107 // We use the distance from the target page as an initial guess of priority, but if there 1108 // are no pages of higher priority than the page specified, then bump up the priority of 1109 // the specified page. 1110 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1111 int minPageDiff = Integer.MAX_VALUE; 1112 while (iter.hasNext()) { 1113 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1114 minPageDiff = Math.abs(task.page - toPage); 1115 } 1116 1117 int rawPageDiff = Math.abs(page - toPage); 1118 return rawPageDiff - Math.min(rawPageDiff, minPageDiff); 1119 } 1120 /** 1121 * Return the appropriate thread priority for loading for a given page (we give the current 1122 * page much higher priority) 1123 */ 1124 private int getThreadPriorityForPage(int page) { 1125 // TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below 1126 int pageDiff = getWidgetPageLoadPriority(page); 1127 if (pageDiff <= 0) { 1128 return Process.THREAD_PRIORITY_LESS_FAVORABLE; 1129 } else if (pageDiff <= 1) { 1130 return Process.THREAD_PRIORITY_LOWEST; 1131 } else { 1132 return Process.THREAD_PRIORITY_LOWEST; 1133 } 1134 } 1135 private int getSleepForPage(int page) { 1136 int pageDiff = getWidgetPageLoadPriority(page); 1137 return Math.max(0, pageDiff * sPageSleepDelay); 1138 } 1139 /** 1140 * Creates and executes a new AsyncTask to load a page of widget previews. 1141 */ 1142 private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets, 1143 int cellWidth, int cellHeight, int cellCountX) { 1144 1145 // Prune all tasks that are no longer needed 1146 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1147 while (iter.hasNext()) { 1148 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1149 int taskPage = task.page; 1150 if (taskPage < getAssociatedLowerPageBound(mCurrentPage) || 1151 taskPage > getAssociatedUpperPageBound(mCurrentPage)) { 1152 task.cancel(false); 1153 iter.remove(); 1154 } else { 1155 task.setThreadPriority(getThreadPriorityForPage(taskPage)); 1156 } 1157 } 1158 1159 // We introduce a slight delay to order the loading of side pages so that we don't thrash 1160 final int sleepMs = getSleepForPage(page); 1161 AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, 1162 new AsyncTaskCallback() { 1163 @Override 1164 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1165 try { 1166 try { 1167 Thread.sleep(sleepMs); 1168 } catch (Exception e) {} 1169 loadWidgetPreviewsInBackground(task, data); 1170 } finally { 1171 if (task.isCancelled()) { 1172 data.cleanup(true); 1173 } 1174 } 1175 } 1176 }, 1177 new AsyncTaskCallback() { 1178 @Override 1179 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 1180 mRunningTasks.remove(task); 1181 if (task.isCancelled()) return; 1182 // do cleanup inside onSyncWidgetPageItems 1183 onSyncWidgetPageItems(data); 1184 } 1185 }); 1186 1187 // Ensure that the task is appropriately prioritized and runs in parallel 1188 AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, 1189 AsyncTaskPageData.Type.LoadWidgetPreviewData); 1190 t.setThreadPriority(getThreadPriorityForPage(page)); 1191 t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); 1192 mRunningTasks.add(t); 1193 } 1194 1195 /* 1196 * Widgets PagedView implementation 1197 */ 1198 private void setupPage(PagedViewGridLayout layout) { 1199 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 1200 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 1201 1202 // Note: We force a measure here to get around the fact that when we do layout calculations 1203 // immediately after syncing, we don't have a proper width. 1204 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 1205 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 1206 layout.setMinimumWidth(getPageContentWidth()); 1207 layout.measure(widthSpec, heightSpec); 1208 } 1209 1210 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h) { 1211 renderDrawableToBitmap(d, bitmap, x, y, w, h, 1f); 1212 } 1213 1214 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 1215 float scale) { 1216 if (bitmap != null) { 1217 Canvas c = new Canvas(bitmap); 1218 c.scale(scale, scale); 1219 Rect oldBounds = d.copyBounds(); 1220 d.setBounds(x, y, x + w, y + h); 1221 d.draw(c); 1222 d.setBounds(oldBounds); // Restore the bounds 1223 c.setBitmap(null); 1224 } 1225 } 1226 1227 private Bitmap getShortcutPreview(ResolveInfo info, int maxWidth, int maxHeight) { 1228 Bitmap tempBitmap = mCachedShortcutPreviewBitmap.get(); 1229 final Canvas c = mCachedShortcutPreviewCanvas.get(); 1230 if (tempBitmap == null || 1231 tempBitmap.getWidth() != maxWidth || 1232 tempBitmap.getHeight() != maxHeight) { 1233 tempBitmap = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1234 mCachedShortcutPreviewBitmap.set(tempBitmap); 1235 } else { 1236 c.setBitmap(tempBitmap); 1237 c.drawColor(0, PorterDuff.Mode.CLEAR); 1238 c.setBitmap(null); 1239 } 1240 // Render the icon 1241 Drawable icon = mIconCache.getFullResIcon(info); 1242 1243 int paddingTop = 1244 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_top); 1245 int paddingLeft = 1246 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_left); 1247 int paddingRight = 1248 getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_right); 1249 1250 int scaledIconWidth = (maxWidth - paddingLeft - paddingRight); 1251 1252 renderDrawableToBitmap( 1253 icon, tempBitmap, paddingLeft, paddingTop, scaledIconWidth, scaledIconWidth); 1254 1255 Bitmap preview = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 1256 c.setBitmap(preview); 1257 Paint p = mCachedShortcutPreviewPaint.get(); 1258 if (p == null) { 1259 p = new Paint(); 1260 ColorMatrix colorMatrix = new ColorMatrix(); 1261 colorMatrix.setSaturation(0); 1262 p.setColorFilter(new ColorMatrixColorFilter(colorMatrix)); 1263 p.setAlpha((int) (255 * 0.06f)); 1264 //float density = 1f; 1265 //p.setMaskFilter(new BlurMaskFilter(15*density, BlurMaskFilter.Blur.NORMAL)); 1266 mCachedShortcutPreviewPaint.set(p); 1267 } 1268 c.drawBitmap(tempBitmap, 0, 0, p); 1269 c.setBitmap(null); 1270 1271 renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize); 1272 1273 return preview; 1274 } 1275 1276 private Bitmap getWidgetPreview(ComponentName provider, int previewImage, 1277 int iconId, int cellHSpan, int cellVSpan, int maxWidth, 1278 int maxHeight) { 1279 // Load the preview image if possible 1280 String packageName = provider.getPackageName(); 1281 if (maxWidth < 0) maxWidth = Integer.MAX_VALUE; 1282 if (maxHeight < 0) maxHeight = Integer.MAX_VALUE; 1283 1284 Drawable drawable = null; 1285 if (previewImage != 0) { 1286 drawable = mPackageManager.getDrawable(packageName, previewImage, null); 1287 if (drawable == null) { 1288 Log.w(TAG, "Can't load widget preview drawable 0x" + 1289 Integer.toHexString(previewImage) + " for provider: " + provider); 1290 } 1291 } 1292 1293 int bitmapWidth; 1294 int bitmapHeight; 1295 Bitmap defaultPreview = null; 1296 boolean widgetPreviewExists = (drawable != null); 1297 if (widgetPreviewExists) { 1298 bitmapWidth = drawable.getIntrinsicWidth(); 1299 bitmapHeight = drawable.getIntrinsicHeight(); 1300 } else { 1301 // Generate a preview image if we couldn't load one 1302 if (cellHSpan < 1) cellHSpan = 1; 1303 if (cellVSpan < 1) cellVSpan = 1; 1304 1305 BitmapDrawable previewDrawable = (BitmapDrawable) getResources() 1306 .getDrawable(R.drawable.widget_preview_tile); 1307 final int previewDrawableWidth = previewDrawable 1308 .getIntrinsicWidth(); 1309 final int previewDrawableHeight = previewDrawable 1310 .getIntrinsicHeight(); 1311 bitmapWidth = previewDrawableWidth * cellHSpan; // subtract 2 dips 1312 bitmapHeight = previewDrawableHeight * cellVSpan; 1313 1314 defaultPreview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1315 Config.ARGB_8888); 1316 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1317 c.setBitmap(defaultPreview); 1318 previewDrawable.setBounds(0, 0, bitmapWidth, bitmapHeight); 1319 previewDrawable.setTileModeXY(Shader.TileMode.REPEAT, 1320 Shader.TileMode.REPEAT); 1321 previewDrawable.draw(c); 1322 c.setBitmap(null); 1323 1324 // Draw the icon in the top left corner 1325 int minOffset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage); 1326 int smallestSide = Math.min(bitmapWidth, bitmapHeight); 1327 float iconScale = Math.min((float) smallestSide 1328 / (mAppIconSize + 2 * minOffset), 1f); 1329 1330 try { 1331 Drawable icon = null; 1332 int hoffset = 1333 (int) ((previewDrawableWidth - mAppIconSize * iconScale) / 2); 1334 int yoffset = 1335 (int) ((previewDrawableHeight - mAppIconSize * iconScale) / 2); 1336 if (iconId > 0) 1337 icon = mIconCache.getFullResIcon(packageName, iconId); 1338 if (icon != null) { 1339 renderDrawableToBitmap(icon, defaultPreview, hoffset, 1340 yoffset, (int) (mAppIconSize * iconScale), 1341 (int) (mAppIconSize * iconScale)); 1342 } 1343 } catch (Resources.NotFoundException e) { 1344 } 1345 } 1346 1347 // Scale to fit width only - let the widget preview be clipped in the 1348 // vertical dimension 1349 float scale = 1f; 1350 if (bitmapWidth > maxWidth) { 1351 scale = maxWidth / (float) bitmapWidth; 1352 } 1353 if (scale != 1f) { 1354 bitmapWidth = (int) (scale * bitmapWidth); 1355 bitmapHeight = (int) (scale * bitmapHeight); 1356 } 1357 1358 Bitmap preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, 1359 Config.ARGB_8888); 1360 1361 // Draw the scaled preview into the final bitmap 1362 if (widgetPreviewExists) { 1363 renderDrawableToBitmap(drawable, preview, 0, 0, bitmapWidth, 1364 bitmapHeight); 1365 } else { 1366 final Canvas c = mCachedAppWidgetPreviewCanvas.get(); 1367 final Rect src = mCachedAppWidgetPreviewSrcRect.get(); 1368 final Rect dest = mCachedAppWidgetPreviewDestRect.get(); 1369 c.setBitmap(preview); 1370 src.set(0, 0, defaultPreview.getWidth(), defaultPreview.getHeight()); 1371 dest.set(0, 0, preview.getWidth(), preview.getHeight()); 1372 1373 Paint p = mCachedAppWidgetPreviewPaint.get(); 1374 if (p == null) { 1375 p = new Paint(); 1376 p.setFilterBitmap(true); 1377 mCachedAppWidgetPreviewPaint.set(p); 1378 } 1379 c.drawBitmap(defaultPreview, src, dest, p); 1380 c.setBitmap(null); 1381 } 1382 return preview; 1383 } 1384 1385 public void syncWidgetPageItems(final int page, final boolean immediate) { 1386 Log.d(TAG, "6549598 syncWidgetPageItems page: " + page); 1387 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 1388 1389 // Calculate the dimensions of each cell we are giving to each widget 1390 final ArrayList<Object> items = new ArrayList<Object>(); 1391 int contentWidth = mWidgetSpacingLayout.getContentWidth(); 1392 final int cellWidth = ((contentWidth - mPageLayoutPaddingLeft - mPageLayoutPaddingRight 1393 - ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX); 1394 int contentHeight = mWidgetSpacingLayout.getContentHeight(); 1395 final int cellHeight = ((contentHeight - mPageLayoutPaddingTop - mPageLayoutPaddingBottom 1396 - ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY); 1397 1398 // Prepare the set of widgets to load previews for in the background 1399 int offset = (page - mNumAppsPages) * numItemsPerPage; 1400 for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) { 1401 items.add(mWidgets.get(i)); 1402 } 1403 1404 // Prepopulate the pages with the other widget info, and fill in the previews later 1405 final PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1406 layout.setColumnCount(layout.getCellCountX()); 1407 for (int i = 0; i < items.size(); ++i) { 1408 Object rawInfo = items.get(i); 1409 PendingAddItemInfo createItemInfo = null; 1410 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 1411 R.layout.apps_customize_widget, layout, false); 1412 if (rawInfo instanceof AppWidgetProviderInfo) { 1413 // Fill in the widget information 1414 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1415 createItemInfo = new PendingAddWidgetInfo(info, null, null); 1416 1417 // Determine the widget spans and min resize spans. 1418 int[] spanXY = Launcher.getSpanForWidget(mLauncher, info); 1419 createItemInfo.spanX = spanXY[0]; 1420 createItemInfo.spanY = spanXY[1]; 1421 int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, info); 1422 createItemInfo.minSpanX = minSpanXY[0]; 1423 createItemInfo.minSpanY = minSpanXY[1]; 1424 1425 widget.applyFromAppWidgetProviderInfo(info, -1, spanXY); 1426 widget.setTag(createItemInfo); 1427 widget.setShortPressListener(this); 1428 } else if (rawInfo instanceof ResolveInfo) { 1429 // Fill in the shortcuts information 1430 ResolveInfo info = (ResolveInfo) rawInfo; 1431 createItemInfo = new PendingAddShortcutInfo(info.activityInfo); 1432 createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 1433 createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, 1434 info.activityInfo.name); 1435 widget.applyFromResolveInfo(mPackageManager, info); 1436 widget.setTag(createItemInfo); 1437 } 1438 widget.setOnClickListener(this); 1439 widget.setOnLongClickListener(this); 1440 widget.setOnTouchListener(this); 1441 widget.setOnKeyListener(this); 1442 1443 // Layout each widget 1444 int ix = i % mWidgetCountX; 1445 int iy = i / mWidgetCountX; 1446 GridLayout.LayoutParams lp = new GridLayout.LayoutParams( 1447 GridLayout.spec(iy, GridLayout.LEFT), 1448 GridLayout.spec(ix, GridLayout.TOP)); 1449 lp.width = cellWidth; 1450 lp.height = cellHeight; 1451 lp.setGravity(Gravity.TOP | Gravity.LEFT); 1452 if (ix > 0) lp.leftMargin = mWidgetWidthGap; 1453 if (iy > 0) lp.topMargin = mWidgetHeightGap; 1454 layout.addView(widget, lp); 1455 } 1456 1457 // wait until a call on onLayout to start loading, because 1458 // PagedViewWidget.getPreviewSize() will return 0 if it hasn't been laid out 1459 // TODO: can we do a measure/layout immediately? 1460 layout.setOnLayoutListener(new Runnable() { 1461 public void run() { 1462 // Load the widget previews 1463 int maxPreviewWidth = cellWidth; 1464 int maxPreviewHeight = cellHeight; 1465 if (layout.getChildCount() > 0) { 1466 PagedViewWidget w = (PagedViewWidget) layout.getChildAt(0); 1467 int[] maxSize = w.getPreviewSize(); 1468 maxPreviewWidth = maxSize[0]; 1469 maxPreviewHeight = maxSize[1]; 1470 } 1471 if (immediate) { 1472 AsyncTaskPageData data = new AsyncTaskPageData(page, items, 1473 maxPreviewWidth, maxPreviewHeight, null, null); 1474 loadWidgetPreviewsInBackground(null, data); 1475 onSyncWidgetPageItems(data); 1476 } else { 1477 if (mInTransition) { 1478 mDeferredPrepareLoadWidgetPreviewsTasks.add(this); 1479 } else { 1480 prepareLoadWidgetPreviewsTask(page, items, 1481 maxPreviewWidth, maxPreviewHeight, mWidgetCountX); 1482 } 1483 } 1484 } 1485 }); 1486 } 1487 private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task, 1488 AsyncTaskPageData data) { 1489 // loadWidgetPreviewsInBackground can be called without a task to load a set of widget 1490 // previews synchronously 1491 if (task != null) { 1492 // Ensure that this task starts running at the correct priority 1493 task.syncThreadPriority(); 1494 } 1495 1496 // Load each of the widget/shortcut previews 1497 ArrayList<Object> items = data.items; 1498 ArrayList<Bitmap> images = data.generatedImages; 1499 int count = items.size(); 1500 for (int i = 0; i < count; ++i) { 1501 if (task != null) { 1502 // Ensure we haven't been cancelled yet 1503 if (task.isCancelled()) break; 1504 // Before work on each item, ensure that this task is running at the correct 1505 // priority 1506 task.syncThreadPriority(); 1507 } 1508 1509 Object rawInfo = items.get(i); 1510 if (rawInfo instanceof AppWidgetProviderInfo) { 1511 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1512 int[] cellSpans = Launcher.getSpanForWidget(mLauncher, info); 1513 1514 int maxWidth = Math.min(data.maxImageWidth, 1515 mWidgetSpacingLayout.estimateCellWidth(cellSpans[0])); 1516 int maxHeight = Math.min(data.maxImageHeight, 1517 mWidgetSpacingLayout.estimateCellHeight(cellSpans[1])); 1518 Bitmap b = getWidgetPreview(info.provider, info.previewImage, info.icon, 1519 cellSpans[0], cellSpans[1], maxWidth, maxHeight); 1520 images.add(b); 1521 } else if (rawInfo instanceof ResolveInfo) { 1522 // Fill in the shortcuts information 1523 ResolveInfo info = (ResolveInfo) rawInfo; 1524 images.add(getShortcutPreview(info, data.maxImageWidth, data.maxImageHeight)); 1525 } 1526 } 1527 } 1528 1529 private void onSyncWidgetPageItems(AsyncTaskPageData data) { 1530 if (mInTransition) { 1531 mDeferredSyncWidgetPageItems.add(data); 1532 return; 1533 } 1534 try { 1535 int page = data.page; 1536 PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); 1537 1538 ArrayList<Object> items = data.items; 1539 int count = items.size(); 1540 for (int i = 0; i < count; ++i) { 1541 PagedViewWidget widget = (PagedViewWidget) layout.getChildAt(i); 1542 if (widget != null) { 1543 Bitmap preview = data.generatedImages.get(i); 1544 widget.applyPreview(new FastBitmapDrawable(preview), i); 1545 } 1546 } 1547 1548 layout.createHardwareLayer(); 1549 invalidate(); 1550 1551 // Update all thread priorities 1552 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1553 while (iter.hasNext()) { 1554 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1555 int pageIndex = task.page; 1556 task.setThreadPriority(getThreadPriorityForPage(pageIndex)); 1557 } 1558 } finally { 1559 data.cleanup(false); 1560 } 1561 } 1562 1563 @Override 1564 public void syncPages() { 1565 removeAllViews(); 1566 cancelAllTasks(); 1567 1568 Context context = getContext(); 1569 for (int j = 0; j < mNumWidgetPages; ++j) { 1570 PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, 1571 mWidgetCountY); 1572 setupPage(layout); 1573 addView(layout, new PagedView.LayoutParams(LayoutParams.MATCH_PARENT, 1574 LayoutParams.MATCH_PARENT)); 1575 } 1576 1577 for (int i = 0; i < mNumAppsPages; ++i) { 1578 PagedViewCellLayout layout = new PagedViewCellLayout(context); 1579 setupPage(layout); 1580 addView(layout); 1581 } 1582 1583 Log.d(TAG, "6549598 syncPages mNumAppsPages: " + mNumAppsPages + " mNumWidgetPages: " + mNumWidgetPages); 1584 } 1585 1586 @Override 1587 public void syncPageItems(int page, boolean immediate) { 1588 Log.d(TAG, "6549598 syncPageItems page: " + page + " immediate: " + immediate); 1589 if (page < mNumAppsPages) { 1590 syncAppsPageItems(page, immediate); 1591 } else { 1592 syncWidgetPageItems(page, immediate); 1593 } 1594 } 1595 1596 // We want our pages to be z-ordered such that the further a page is to the left, the higher 1597 // it is in the z-order. This is important to insure touch events are handled correctly. 1598 View getPageAt(int index) { 1599 return getChildAt(indexToPage(index)); 1600 } 1601 1602 @Override 1603 protected int indexToPage(int index) { 1604 return getChildCount() - index - 1; 1605 } 1606 1607 // In apps customize, we have a scrolling effect which emulates pulling cards off of a stack. 1608 @Override 1609 protected void screenScrolled(int screenCenter) { 1610 super.screenScrolled(screenCenter); 1611 1612 for (int i = 0; i < getChildCount(); i++) { 1613 View v = getPageAt(i); 1614 if (v != null) { 1615 float scrollProgress = getScrollProgress(screenCenter, v, i); 1616 1617 float interpolatedProgress = 1618 mZInterpolator.getInterpolation(Math.abs(Math.min(scrollProgress, 0))); 1619 float scale = (1 - interpolatedProgress) + 1620 interpolatedProgress * TRANSITION_SCALE_FACTOR; 1621 float translationX = Math.min(0, scrollProgress) * v.getMeasuredWidth(); 1622 1623 float alpha; 1624 1625 if (scrollProgress < 0) { 1626 alpha = scrollProgress < 0 ? mAlphaInterpolator.getInterpolation( 1627 1 - Math.abs(scrollProgress)) : 1.0f; 1628 } else { 1629 // On large screens we need to fade the page as it nears its leftmost position 1630 alpha = mLeftScreenAlphaInterpolator.getInterpolation(1 - scrollProgress); 1631 } 1632 1633 v.setCameraDistance(mDensity * CAMERA_DISTANCE); 1634 int pageWidth = v.getMeasuredWidth(); 1635 int pageHeight = v.getMeasuredHeight(); 1636 1637 if (PERFORM_OVERSCROLL_ROTATION) { 1638 if (i == 0 && scrollProgress < 0) { 1639 // Overscroll to the left 1640 v.setPivotX(TRANSITION_PIVOT * pageWidth); 1641 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1642 scale = 1.0f; 1643 alpha = 1.0f; 1644 // On the first page, we don't want the page to have any lateral motion 1645 translationX = 0; 1646 } else if (i == getChildCount() - 1 && scrollProgress > 0) { 1647 // Overscroll to the right 1648 v.setPivotX((1 - TRANSITION_PIVOT) * pageWidth); 1649 v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress); 1650 scale = 1.0f; 1651 alpha = 1.0f; 1652 // On the last page, we don't want the page to have any lateral motion. 1653 translationX = 0; 1654 } else { 1655 v.setPivotY(pageHeight / 2.0f); 1656 v.setPivotX(pageWidth / 2.0f); 1657 v.setRotationY(0f); 1658 } 1659 } 1660 1661 v.setTranslationX(translationX); 1662 v.setScaleX(scale); 1663 v.setScaleY(scale); 1664 v.setAlpha(alpha); 1665 1666 // If the view has 0 alpha, we set it to be invisible so as to prevent 1667 // it from accepting touches 1668 if (alpha == 0) { 1669 v.setVisibility(INVISIBLE); 1670 } else if (v.getVisibility() != VISIBLE) { 1671 v.setVisibility(VISIBLE); 1672 } 1673 } 1674 } 1675 } 1676 1677 protected void overScroll(float amount) { 1678 acceleratedOverScroll(amount); 1679 } 1680 1681 /** 1682 * Used by the parent to get the content width to set the tab bar to 1683 * @return 1684 */ 1685 public int getPageContentWidth() { 1686 return mContentWidth; 1687 } 1688 1689 @Override 1690 protected void onPageEndMoving() { 1691 super.onPageEndMoving(); 1692 mForceDrawAllChildrenNextFrame = true; 1693 // We reset the save index when we change pages so that it will be recalculated on next 1694 // rotation 1695 mSaveInstanceStateItemIndex = -1; 1696 } 1697 1698 /* 1699 * AllAppsView implementation 1700 */ 1701 @Override 1702 public void setup(Launcher launcher, DragController dragController) { 1703 mLauncher = launcher; 1704 mDragController = dragController; 1705 } 1706 @Override 1707 public void zoom(float zoom, boolean animate) { 1708 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 1709 } 1710 @Override 1711 public boolean isVisible() { 1712 return (getVisibility() == VISIBLE); 1713 } 1714 @Override 1715 public boolean isAnimating() { 1716 return false; 1717 } 1718 1719 /** 1720 * We should call thise method whenever the core data changes (mApps, mWidgets) so that we can 1721 * appropriately determine when to invalidate the PagedView page data. In cases where the data 1722 * has yet to be set, we can requestLayout() and wait for onDataReady() to be called in the 1723 * next onMeasure() pass, which will trigger an invalidatePageData() itself. 1724 */ 1725 private void invalidateOnDataChange() { 1726 if (!isDataReady()) { 1727 // The next layout pass will trigger data-ready if both widgets and apps are set, so 1728 // request a layout to trigger the page data when ready. 1729 requestLayout(); 1730 } else { 1731 cancelAllTasks(); 1732 invalidatePageData(); 1733 } 1734 } 1735 1736 @Override 1737 public void setApps(ArrayList<ApplicationInfo> list) { 1738 mApps = list; 1739 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 1740 Log.d(TAG, "6549598 setApps mApps.size(): " + mApps.size()); 1741 updatePageCounts(); 1742 invalidateOnDataChange(); 1743 } 1744 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1745 // We add it in place, in alphabetical order 1746 int count = list.size(); 1747 for (int i = 0; i < count; ++i) { 1748 ApplicationInfo info = list.get(i); 1749 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 1750 if (index < 0) { 1751 mApps.add(-(index + 1), info); 1752 } 1753 } 1754 } 1755 @Override 1756 public void addApps(ArrayList<ApplicationInfo> list) { 1757 addAppsWithoutInvalidate(list); 1758 Log.d(TAG, "6549598 addApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1759 updatePageCounts(); 1760 invalidateOnDataChange(); 1761 Log.d(TAG, "6549598 addApps mNumAppsPages: " + mNumAppsPages); 1762 } 1763 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 1764 ComponentName removeComponent = item.intent.getComponent(); 1765 int length = list.size(); 1766 for (int i = 0; i < length; ++i) { 1767 ApplicationInfo info = list.get(i); 1768 if (info.intent.getComponent().equals(removeComponent)) { 1769 return i; 1770 } 1771 } 1772 return -1; 1773 } 1774 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1775 // loop through all the apps and remove apps that have the same component 1776 int length = list.size(); 1777 for (int i = 0; i < length; ++i) { 1778 ApplicationInfo info = list.get(i); 1779 int removeIndex = findAppByComponent(mApps, info); 1780 if (removeIndex > -1) { 1781 mApps.remove(removeIndex); 1782 } 1783 } 1784 } 1785 @Override 1786 public void removeApps(ArrayList<ApplicationInfo> list) { 1787 removeAppsWithoutInvalidate(list); 1788 Log.d(TAG, "6549598 removeApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1789 updatePageCounts(); 1790 invalidateOnDataChange(); 1791 Log.d(TAG, "6549598 removeApps mNumAppsPages: " + mNumAppsPages); 1792 } 1793 @Override 1794 public void updateApps(ArrayList<ApplicationInfo> list) { 1795 // We remove and re-add the updated applications list because it's properties may have 1796 // changed (ie. the title), and this will ensure that the items will be in their proper 1797 // place in the list. 1798 removeAppsWithoutInvalidate(list); 1799 addAppsWithoutInvalidate(list); 1800 Log.d(TAG, "6549598 updateApps mApps.size(): " + mApps.size() + " list.size(): " + list.size()); 1801 updatePageCounts(); 1802 invalidateOnDataChange(); 1803 Log.d(TAG, "6549598 updateApps mNumAppsPages: " + mNumAppsPages); 1804 } 1805 1806 @Override 1807 public void reset() { 1808 Log.d(TAG, "6549598 reset"); 1809 // If we have reset, then we should not continue to restore the previous state 1810 mSaveInstanceStateItemIndex = -1; 1811 1812 AppsCustomizeTabHost tabHost = getTabHost(); 1813 String tag = tabHost.getCurrentTabTag(); 1814 if (tag != null) { 1815 if (!tag.equals(tabHost.getTabTagForContentType(ContentType.Applications))) { 1816 tabHost.setCurrentTabFromContent(ContentType.Applications); 1817 } 1818 } 1819 1820 if (mCurrentPage != 0) { 1821 invalidatePageData(0); 1822 } 1823 } 1824 1825 private AppsCustomizeTabHost getTabHost() { 1826 return (AppsCustomizeTabHost) mLauncher.findViewById(R.id.apps_customize_pane); 1827 } 1828 1829 @Override 1830 public void dumpState() { 1831 // TODO: Dump information related to current list of Applications, Widgets, etc. 1832 ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps); 1833 dumpAppWidgetProviderInfoList(TAG, "mWidgets", mWidgets); 1834 } 1835 1836 private void dumpAppWidgetProviderInfoList(String tag, String label, 1837 ArrayList<Object> list) { 1838 Log.d(tag, label + " size=" + list.size()); 1839 for (Object i: list) { 1840 if (i instanceof AppWidgetProviderInfo) { 1841 AppWidgetProviderInfo info = (AppWidgetProviderInfo) i; 1842 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 1843 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 1844 + " initialLayout=" + info.initialLayout 1845 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 1846 } else if (i instanceof ResolveInfo) { 1847 ResolveInfo info = (ResolveInfo) i; 1848 Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon=" 1849 + info.icon); 1850 } 1851 } 1852 } 1853 1854 @Override 1855 public void surrender() { 1856 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 1857 // should stop this now. 1858 1859 // Stop all background tasks 1860 cancelAllTasks(); 1861 } 1862 1863 @Override 1864 public void iconPressed(PagedViewIcon icon) { 1865 // Reset the previously pressed icon and store a reference to the pressed icon so that 1866 // we can reset it on return to Launcher (in Launcher.onResume()) 1867 if (mPressedIcon != null) { 1868 mPressedIcon.resetDrawableState(); 1869 } 1870 mPressedIcon = icon; 1871 } 1872 1873 public void resetDrawableState() { 1874 if (mPressedIcon != null) { 1875 mPressedIcon.resetDrawableState(); 1876 mPressedIcon = null; 1877 } 1878 } 1879 1880 /* 1881 * We load an extra page on each side to prevent flashes from scrolling and loading of the 1882 * widget previews in the background with the AsyncTasks. 1883 */ 1884 final static int sLookBehindPageCount = 2; 1885 final static int sLookAheadPageCount = 2; 1886 protected int getAssociatedLowerPageBound(int page) { 1887 final int count = getChildCount(); 1888 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1889 int windowMinIndex = Math.max(Math.min(page - sLookBehindPageCount, count - windowSize), 0); 1890 return windowMinIndex; 1891 } 1892 protected int getAssociatedUpperPageBound(int page) { 1893 final int count = getChildCount(); 1894 int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); 1895 int windowMaxIndex = Math.min(Math.max(page + sLookAheadPageCount, windowSize - 1), 1896 count - 1); 1897 return windowMaxIndex; 1898 } 1899 1900 @Override 1901 protected String getCurrentPageDescription() { 1902 int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; 1903 int stringId = R.string.default_scroll_format; 1904 int count = 0; 1905 1906 if (page < mNumAppsPages) { 1907 stringId = R.string.apps_customize_apps_scroll_format; 1908 count = mNumAppsPages; 1909 } else { 1910 page -= mNumAppsPages; 1911 stringId = R.string.apps_customize_widgets_scroll_format; 1912 count = mNumWidgetPages; 1913 } 1914 1915 return String.format(getContext().getString(stringId), page + 1, count); 1916 } 1917} 1918